Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
810009787Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
78028374043536780218172272.72020-10-15 04:56:17
History
DateUserTypeResult
2020-10-15ConductorF
Factor: 7802837404353678021817 / TF: 72-73
2020-09-10sasakiNF
no factor from 2^71 to 2^72
2020-01-27ATHNF
no factor from 2^70 to 2^71
2015-07-20Bruno VictalNF
no factor from 2^69 to 2^70
2015-07-19Bruno VictalNF
no factor from 2^68 to 2^69
2015-06-13sasakiNF
no factor from 2^67 to 2^68
2014-12-15sasakiNF
no factor from 2^66 to 2^67
2013-10-14america64NF
no factor from 2^65 to 2^66
2010-10-03Architects CubedNF
no factor from 2^64 to 2^65
2010-04-06Architects CubedNF
no factor from 2^63 to 2^64